Miller formerly owned Robin's Limousine, a small limo company based in Elkridge, Maryland, the origin of his online nickname. Miller is best known for his involvement with Slashdot,[1] where he was not only the corporate editorial overseer but also Interview Editor.

As a freelancer, Miller wrote for a number of print and online publications including Time.com, Baltimore City Paper, American Medical News, Innkeeping World, Machine Design, The Baltimore Sun, and Rewired.com. Miller is the author of three books: The Online Rules of Successful Companies, Point & Click Linux!, and Point & Click OpenOffice.org, all published by Prentice Hall.[citation needed] His latest[when?] ventures revolve around Internet-delivered video, including video software "tours" and tutorials on Linux.com and his recent "side" venture, Internet Video Promotion, Inc.